Buttweld Fittings - Dimensions

ANSI B16.9

NOMINAL SIZES SHOWN ARE
V DN: SI METRIC TERM
I NPS: ANSI TERM

Nom. Size PIPE OD
mm		 WALL THICKNESS – MILLIMETRES (mm) A B K D V E.
Std. Wt. &
Ex. Stg		 Nom. Size
V
DN		 I
NPS		 Sch. 10 Sch. 20 Sch. 30 Std. Wt. Sch. 40 Sch. 60 X
Stg.		 Sch. 80 Sch. 100 Sch. 120 Sch. 140 Sch. 160 X.X.
Stg.		 V
DN		 I
NPS
15 ½ 21.3 – – – 2.77 SAME AS STD. WT. – 3.73 SAME AS X. STG. – – – 4.78 7.47 38 16 48 – – 25.4 15 ½
20 ¾ 26.7 – – – 2.87 – 3.91 – – – 5.56 7.82 38 19 51 19 33 25.4 20 ¾
25 1 33.4 – – – 3.38 – 4.55 – – – 6.35 9.09 38 22 56 25 41 38.1 25 1
32 1¼ 42.2 – – – 3.56 – 4.85 – – – 6.35 9.70 48 25 70 32 52 38.1 32 1¼
40 1½ 48.3 – – – 3.68 – 5.08 – – – 7.14 10.15 57 29 83 38 62 38.1 40 1½
50 2 60.3 – – – 3.91 – 5.54 – – – 8.74 11.07 76 35 106 51 81 38.1 50 2
65 2½ 73.0 – – – 5.16 – 7.01 – – – 9.53 14.02 95 44 132 64 100 38.1 65 2½
80 3 88.9 – – – 5.49 – 7.62 – – – 11.13 15.24 114 51 159 76 121 50.8 80 3
90 3½ 101.6 – – – 5.74 – 8.08 – – – – 16.15 133 57 184 89 140 63.5 90 3½
100 4 114.3 – – – 6.02 – 8.56 – 11.13 – 13.49 17.12 152 64 210 102 159 63.5 100 4
125 5 141.3 – – – 6.55 – 9.53 – 12.70 – 15.88 19.05 190 79 262 127 197 76.2 125 5
150 6 168.3 – – – 7.11 – 10.97 – 14.27 – 18.26 21.95 229 95 313 152 237 88.9 150 6
200 8 219.1 – 6.35 7.04 8.18 10.31 12.70 15.09 18.26 20.62 23.01 22.23 305 127 414 203 313 102 200 8
250 10 273.1 – 6.35 7.80 9.27 12.70 12.70 15.09 18.26 21.44 25.40 28.58 25.40 381 159 518 254 390 127 250 10
300 12 323.9 – 6.35 8.38 9.53 10.31 14.27 12.70 17.48 21.44 25.40 28.58 33.32 25.40 457 190 619 305 467 152 300 12
350 14 355.6 6.35 7.92 9.53 9.53 11.13 15.09 12.70 19.05 23.83 27.79 31.75 35.71 – 533 222 711 356 533 165 350 14
400 16 406.4 6.35 7.92 9.53 9.53 12.70 16.66 12.70 21.44 26.19 30.96 36.53 40.49 – 610 254 813 406 610 178 400 16
450 18 457 6.35 7.92 11.13 9.53 14.27 19.05 12.70 23.83 29.36 34.93 39.67 45.24 – 686 286 914 457 686 203 450 18
500 20 508 6.35 9.53 12.70 9.53 15.09 20.62 12.70 26.19 32.54 38.10 44.45 50.01 – 762 318 1016 508 762 229 500 20
600 24 610 6.35 9.53 14.27 9.53 17.48 24.61 12.70 30.96 38.89 46.02 52.37 59.54 – 914 381 1219 610 914 267 600 24
750 30 762 7.92 12.70 15.88 9.53 – – 12.70 – – – – – – 1143 470 1524 762 1143 267 750 30
900 36 914 7.92 12.70 15.88 9.53 19.05 – 12.70 – – – – – – 1372 565 – 914 1372 267 900 36

All dimensions are in millimetres – (mm)

NOMINAL SIZES SHOWN ARE
V DN: SI METRIC TERM I NPS: ANSI TERM

NOMINAL SIZE C M H
DN V NPS I
Large End Small End Large End Small End
20 20 ¾ ¾ 29    
15 ½ 29 38
25 25 1 1 38 – –
20 ¾ 38 50.8
15 ½ 38 50.8
32 32 1¼ 1¼ 48 – –
25 1 48 50.8
20 ¾ 48 50.8
15 ½ 48 50.8
40 40 1½ 1½ 57 – –
32 1¼ 57 63.5
25 1 57 63.5
20 ¾ 57 63.5
15 ½ 57 63.5
50 50 2 2 64 – –
40 1½ 60 76.2
32 1¼ 57 76.2
25 1 51 76.2
20 ¾ 44 76.2
65 65 2½ 2½ 76 – –
50 2 70 88.9
40 1½ 67 88.9
32 1¼ 64 88.9
25 1 57 88.9
80 80 3 3 86 – –
65 2½ 83 88.9
50 2 76 88.9
40 1½ 73 88.9
32 1¼ 70 88.9
90 90 3½ 3½ 95 – –
80 3 92 102
65 2½ 89 102
50 2 83 102
40 1½ 79 102
NOMINAL SIZE C M H
DN V NPS I
Large End Small End Large End Small End
100 100 4 4 105 – –
90 3½ 102 102
80 3 98 102
65 2½ 95 102
50 2 89 102
40 1½ 86 102
125 125 5 5 124 – –
100 4 117 127
90 3½ 114 127
80 3 111 127
65 2½ 108 127
50 2 105 127
150 150 6 6 143 – –
125 5 137 140
100 4 130 140
90 3½ 127 140
80 3 124 140
65 2½ 121 140
200 200 8 8 178 – –
150 6 168 152
125 5 162 152
100 4 156 152
80 3 152 152
250 250 10 10 216 – –
200 8 203 178
150 6 194 178
125 5 191 178
100 4 184 178
300 300 12 12 254 – –
250 10 241 203
200 8 229 203
150 6 219 203
350 350 14 14 279 – –
300 12 270 330
250 10 257 330
200 8 248 330
150 6 238 330
NOMINAL SIZE C M H
DN V NPS I
Large End Small End Large End Small End
400 400 16 16 305 – –
350 14 305 356
300 12 295 356
250 10 283 356
200 8 273 356
150 6 264 356
450 450 18 18 343 – –
400 16 330 381
350 14 330 381
300 12 321 381
250 10 308 381
200 8 298 381
500 500 20 20 381 – –
450 18 368 508
400 16 356 508
350 14 356 508
300 12 346 508
250 10 333 508
200 8 324 508
600 600 24 24 432 – –
500 20 432 508
450 18 419 508
400 16 406 508
350 14 406 508
300 12 397 508
250 10 384 508
750 750 30 30 559 – –
600 24 533 610
500 20 508 610
450 18 495 610
400 16 483 610
900 900 36 36 673 – –
750 30 635 610
600 24 610 610
500 20 584 610
450 18 572 610
Note: All dimensions are in millimeters – (mm)